Finding the Fourth Proportional to 11,018.36, 15,205.34 and 5,982.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,018.36 : 15,205.34 = 5,982.57 : x
2. Step 2: Convert to fraction form
   11,018.36/15,205.34 = 5,982.57/x
3. Step 3: Cross multiply
   11,018.36x = 15,205.34 × 5,982.57
4. Step 4: Simplify right side
   11,018.36x = 90,967,025.88
5. Step 5: Solve for x
   x = 90,967,025.88/11,018.36
6. Step 6: Final answer
   x = 8,255.95